title: Discrimination between rubidium and potassium ions in Anabaena variabilis.
mesh_terms: D001693:Biological Transport, Active; D000458:Cyanobacteria / Q000378:metabolism*; D007553:Isotope Labeling / Q000379:methods; D007700:Kinetics; D011188:Potassium / Q000378:metabolism*; D011868:Radioisotopes; D012413:Rubidium / Q000378:metabolism*
chemical_list: D011868:Radioisotopes; D012413:Rubidium; D011188:Potassium